Medium severity6.5NVD Advisory· Published Sep 8, 2021· Updated Jun 17, 2026
CVE-2021-1855
CVE-2021-1855
Description
A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.3. A malicious website may be able to force unnecessary network connections to fetch its favicon.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: = 11.3
- Range: unspecified
Patches
Vulnerability mechanics
References
1- support.apple.com/en-us/HT212325nvdVendor Advisory
News mentions
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